Abk

By John Spence ABK C BOSTON (MarketWatch) -- Shares of Ambac Financial Group Inc.

/quotes/comstock/13*!abk/quotes/nls/abk (ABK 1.09, +0.45, +69.90%) rallied almost 80% in premarket action Friday on heavy trading after the financial guaranty insurer said it swung to a fourth-quarter profit of $558.1 million..

Source: http://www.marketwatch.com/story/ambac-shares-surge-nearly-80-in-premarket-2010-04-09